LXR linux/include/uapi/linux/rio_cm

   1/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
   2/*
   3 * Copyright (c) 2015, Integrated Device Technology Inc.
   4 * Copyright (c) 2015, Prodrive Technologies
   5 * Copyright (c) 2015, RapidIO Trade Association
   6 * All rights reserved.
   7 *
   8 * This software is available to you under a choice of one of two licenses.
   9 * You may choose to be licensed under the terms of the GNU General Public
  10 * License(GPL) Version 2, or the BSD-3 Clause license below:
  11 *
  12 * Redistribution and use in source and binary forms, with or without
  13 * modification, are permitted provided that the following conditions are met:
  14 *
  15 * 1. Redistributions of source code must retain the above copyright notice,
  16 * this list of conditions and the following disclaimer.
  17 *
  18 * 2. Redistributions in binary form must reproduce the above copyright notice,
  19 * this list of conditions and the following disclaimer in the documentation
  20 * and/or other materials provided with the distribution.
  21 *
  22 * 3. Neither the name of the copyright holder nor the names of its contributors
  23 * may be used to endorse or promote products derived from this software without
  24 * specific prior written permission.
  25 *
  26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  27 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  28 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
  30 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  31 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  32 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  33 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  34 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  35 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  36 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37 */
  38
  39#ifndef _RIO_CM_CDEV_H_
  40#define _RIO_CM_CDEV_H_
  41
  42#include <linux/types.h>
  43
  44struct rio_cm_channel {
  45        __u16 id;
  46        __u16 remote_channel;
  47        __u16 remote_destid;
  48        __u8 mport_id;
  49};
  50
  51struct rio_cm_msg {
  52        __u16 ch_num;
  53        __u16 size;
  54        __u32 rxto;     /* receive timeout in mSec. 0 = blocking */
  55        __u64 msg;
  56};
  57
  58struct rio_cm_accept {
  59        __u16 ch_num;
  60        __u16 pad0;
  61        __u32 wait_to;  /* accept timeout in mSec. 0 = blocking */
  62};
  63
  64/* RapidIO Channelized Messaging Driver IOCTLs */
  65#define RIO_CM_IOC_MAGIC        'c'
  66
  67#define RIO_CM_EP_GET_LIST_SIZE _IOWR(RIO_CM_IOC_MAGIC, 1, __u32)
  68#define RIO_CM_EP_GET_LIST      _IOWR(RIO_CM_IOC_MAGIC, 2, __u32)
  69#define RIO_CM_CHAN_CREATE      _IOWR(RIO_CM_IOC_MAGIC, 3, __u16)
  70#define RIO_CM_CHAN_CLOSE       _IOW(RIO_CM_IOC_MAGIC, 4, __u16)
  71#define RIO_CM_CHAN_BIND        _IOW(RIO_CM_IOC_MAGIC, 5, struct rio_cm_channel)
  72#define RIO_CM_CHAN_LISTEN      _IOW(RIO_CM_IOC_MAGIC, 6, __u16)
  73#define RIO_CM_CHAN_ACCEPT      _IOWR(RIO_CM_IOC_MAGIC, 7, struct rio_cm_accept)
  74#define RIO_CM_CHAN_CONNECT     _IOW(RIO_CM_IOC_MAGIC, 8, struct rio_cm_channel)
  75#define RIO_CM_CHAN_SEND        _IOW(RIO_CM_IOC_MAGIC, 9, struct rio_cm_msg)
  76#define RIO_CM_CHAN_RECEIVE     _IOWR(RIO_CM_IOC_MAGIC, 10, struct rio_cm_msg)
  77#define RIO_CM_MPORT_GET_LIST   _IOWR(RIO_CM_IOC_MAGIC, 11, __u32)
  78
  79#endif /* _RIO_CM_CDEV_H_ */
  80